UtilsOption.getDefined substituted by flatten

Author: mcallisto

src/main/scala/io/github/scala_tessella/tessella/TilingErrorMessages.scala

@@ -10,7 +10,6 @@ import conversion.DOT
 import conversion.DOT.toDOT
 import conversion.SVGInvalid.*
 import utility.Utils.*
-import utility.UtilsOption.getDefined
 
 import scala.xml.Elem
 
@@ -134,11 +133,10 @@ object TilingErrorMessages:
         sideCouples.map((s1, s2) => (edgeFromSide(s1), edgeFromSide(s2)))
       val crossings: List[Point] =
         edgeCouples
-          .map({
+          .flatMap({
             case (edge1, edge2) => List(edge1, edge2).toSegments(tiling.perimeterCoords).toCouple match
               case (f, s) => f.intersection(s)
           })
-          .getDefined
       val svg: String =
         addInvalidPerimeterSVG(
           Description("Invalid intersecting edges"),

src/main/scala/io/github/scala_tessella/tessella/conversion/SVG.scala

@@ -10,7 +10,6 @@ import RegularPolygon.Vertex
 import Topology.{Edge, Node, NodeOrdering}
 import TilingUniformity.groupUniformsNestedComplete
 import utility.Utils.toCouple
-import utility.UtilsOption.getDefined
 import io.github.scala_tessella.ring_seq.RingSeq.Index
 
 import scala.xml.Elem
@@ -203,7 +202,7 @@ object SVG extends ConverterSVG:
     )
       .withStyle(Style(
         (
-          if isMono then attributes 
+          if isMono then attributes
           else fill(fillUniform(index)) :: attributes
          ) *
       ))
@@ -366,7 +365,7 @@ object SVG extends ConverterSVG:
           growthSVG(showGrowth),
           marksSVG(markStyle),
           labelsSVG(labelledNodes)
-        ).getDefined *
+        ).flatten *
       )
 
     /** `svg` element with metadata and `viewBox` fitting the tiling */

src/main/scala/io/github/scala_tessella/tessella/creation/Symmetric.scala

@@ -6,7 +6,6 @@ import TilingGrowth.OtherNodeStrategy.BEFORE_PERIMETER
 import RegularPolygon.{Polygon, Vertex}
 import TilingSymmetry.perimeterRotationalSymmetry
 import Topology.{Edge, Node}
-import utility.UtilsOption.getDefined
 
 import io.github.scala_tessella.ring_seq.RingSeq.{Index, applyO}
 
@@ -86,7 +85,7 @@ object Symmetric:
               yield
                 grown
          )
-      tilings.getDefined.distinct
+      tilings.flatten.distinct
 
     /** Expands by symmetric axes
      *

src/main/scala/io/github/scala_tessella/tessella/utility/UtilsOption.scala

@@ -17,12 +17,8 @@ object UtilsOption:
       yield
         c
 
-    /** Filters and gets defined options only */
-    def getDefined: CC[A] =
-      options.filter(_.isDefined).map(_.get)
-
     private def emptied: CC[A] =
-      getDefined.take(0)
+      options.flatten.take(0)
 
     /** Option of a sequence */
     def sequence: Option[CC[A]] =